""ET INFO Suspicious Zipped Filename in Outbound POST Request (History/Firefox_)""

SID: 2033888

Revision: 1

Class Type: bad-unknown

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2021_09_02, deployment Perimeter, signature_severity Minor, updated_at 2021_09_02

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "PK|03 04|"

  • Value: "History/Firefox_"

  • Value: ".default.txt"

Within: 25

PCRE:

Special Options:

  • http_method

  • http_client_body

  • nocase

  • fast_pattern

  • http_client_body

  • http_client_body

source